There are 5 bars B key, 2 A key. It is said that after the renovation of the B key turn a week A key failure, but the B key turned N weeks, now the situation is A, B key can be used to make a fool often get the door to full power, what is the situation? Questions added: each B key has turned a lot of circle, 2 A key can still open the door more
There should be a key, usually yellow, with the key on the right, you see is not a little less.
First, A is used for decoration, bare out. B key on both sides of a concave, is the abolition of A key, C key is their own use! General use B after A can not be used. If ABC can not be used at the same time, this blame the end of the end of the end of the mercy of all my business for five years have not encountered. This can be replaced free of charge.
With the front of the groove with the inside and outside are rotated 360 degrees, A on the void. If A can be used, it is only for the lock cylinder
